US PATENT SUBCLASS 604 / 163
.~.~.~.~ Having bag or sheath enclosing body entering conduit

Current as of: June, 1999
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604 /   HD   SURGERY

19  DF  MEANS FOR INTRODUCING OR REMOVING MATERIAL FROM BODY FOR THERAPEUTIC PURPOSES (E.G., MEDICATING, IRRIGATING, ASPIRATING, ETC.) {7}
48  DF  .~ Treating material introduced into or removed from body orifice, or inserted or removed subcutaneously other than by diffusing through skin {9}
93  DF  .~.~ Material introduced or removed through conduit, holder, or implantable reservoir inserted in body {30}
158  DF  .~.~.~ Body entering conduit axially movable within body piercing conduit while former is disposed in the body {5}
163.~.~.~.~ Having bag or sheath enclosing body entering conduit

DEFINITION

Classification: 604/163

Having bag or sheath enclosing body entering conduit:

(under subclass 158) Subject matter wherein a flexible enclosure, usually transparent, surrounds at least the major portion of the body entering conduit to protect the body entering conduit from contamination prior to insertion.